990496240 has 40 divisors (see below), whose sum is σ = 2320507728. Its totient is φ = 393169920.

The previous prime is 990496229. The next prime is 990496267. The reversal of 990496240 is 42694099.

990496240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36777 + ... + 57736.

Almost surely, 2^990496240 is an apocalyptic number.

It is an amenable number.

990496240 is an abundant number, since it is smaller than the sum of its proper divisors (1330011488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990496240 is a wasteful number, since it uses less digits than its factorization.

990496240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94657 (or 94651 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 990496240 is about 31472.1502284162. The cubic root of 990496240 is about 996.8219909575.

The spelling of 990496240 in words is "nine hundred ninety million, four hundred ninety-six thousand, two hundred forty".